Tong Kee (Holding) Limited is an investment holding company principally engaged in performing repair, maintenance, alteration and addition (RMAA) works. The Company operates its business through three segments. The RMAA Works segment engaged in include renovation, alteration and addition, maintenance, modification, rehabilitation, steel works, civil works and demolition works in venues such as residential building, commercial building, car park, road, footbridge, and theme park. New Construction Works segment engaged in a variety of constructions and related alteration and additions works and facilities such as noise mitigation work, architectural metalwork, bus shelter, dangerous goods store building, innovative and creative structure such as air balloon. Cathodic Protection Works segment provides installation of cathodic protection systems including sacrificial anodes protection and impressed current systems.